Dome for concrete structures.



' E. c. MARQUA, H. vow UNWERTH & J. H. BYRD. DOME FOR CONCRETE STRUCTURES.

' FILED mu. :2. 1 9! H7 I'm t I r x I I, I ,& I

" Patented Jan. 29, 1918.

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E. c. MARQUA, H2. vow uwwmu & 1. H. BYRD.

' DOME FOR CONCRETE STRUCTURES.

APPLICATION [:LED MN- 12. I911.

rammed Jan. 29,1918;

2 SHEETS-SHEET 2.

l/VMf/VTORS. Eda 0x16. MG/"ql/l Hans 1/017 Una e 7. John h. B 3 1142 A TTO/ENE y UNITE EDWARD c. MARQUA,QHANS voN unwnn'rn; AND JOHN H. BYRD, on Kansas orrr,

mssoonr.

DOME FOR CONCRETE STRUCTURES.

To all whom it may concern:

Be it known that we, E WARD HANS VON UNWERTH, and JOHN. H. Brno, citizens of the United States, residing at Kansas City, in the county of Jackson and State of Missouri, have invented certain new and useful Improvements in Domes for Gon crete Structures; and we do declare the following to be a full, clear, and exact description of the. invention, such as will enable others skilled in the art to which it appertains to make and use the same, reference being bad, to the accompanying drawings,

and to the letters and figures of reference marked thereon, which form a part of this specification. a

Our invention relates to domes for concrete slab construction, and is an improvement on our co-pending application, Serial No. 121,605, filed September 22, 1916, the= principal object of the present invention being to provide for expansion of the dome, ,and thereby obviate necessity for special sizes for variouslyflspaced beams and to provide for interlocking the domes longitudinally to retain their alinement.

It is. also an object of the present invention to provide a detail arrangement of the body portions of thedomes, which'will permit the same to fold and thereby facilitate storing and shipping. y

In accomplishin these objects We have provided details 0 structure the preferred forms of which are illustrated in the accompanying drawings, wherein Flgure I is a perspective view of a par- I tially formed concrete floor slab, illustrating the arrangement. of domes on. the boards and the. supports of-the soilits on their studs. A

Fig-"II is a transverse section thrbugh a part of a slab, illustrating the floor beams andn the combination of the domesthere-f' a I l I I 45 Fig. III is an inverted perspective view I of one of the domes, p rtsbeing I roken away, 5

p f" eas width. Fig. IV is-a detail perspective vie. of one of the body portions of a dome, in its 001- 'lapsed position. v 1

for better illustration;

' Fig.

1'-1 designate the body ,portions of our C. MARQUA,

Qthe dome member against collapse. may be any suitable number of tens 45 throughout the length 0 the dome ordinarily sufiicient.

V is an inverted perspective of adome, illustrating a \temporary-batten. '1' Referring more in *detail to the drawings;

, Specification of Letters Patent. Patgnted Jan, 29, 1918.

. Application filed, January 12, 1917. Serial No. 141,986.

sideboard 2 and top member 3, thetop member being here shown to comprise'a single board, although we do not Wish to belimited to this detail, as it is apparent that eitherthe top or the sides of the body members may be made up in several separate pieces and that the pieces of each niember'may as 1.

rigidly and permanently connected by the battens et5. The battens 4 and 5 not only serve to stiffen the body members to which they are connected, "and when the latter are- .ovrlies and is supported by the upper edge of the side member 2, and the arrangement being furtherf'such as that when the'members are extended in, functionalpos'ition, the

parts 2 3 will extend at an obtuse angle to each other to taper the floor beam and brace There aired batmember, although one In ordinary building construction, an arch between floor beams is rarely less than 20 inches acrossat the bottomand 18inches atthe top and 7 in order to conform to such the minimum-width of the arch, each member of the bodyheing identical in construction with theother, although the pairs are pair at each end is v .conditions,we construct the domeao comply arranged in rights-and lofts, as the side and top parts of each member are not interchangeable owing to the-incline of thefloor beams and to the fact. thatthe depth of the arch does not ordinarily equal one-half ed for takmginto an 'eyeletor the like 9 on the top of the. mating bod member, and

hp {order 'to space" the mem ers and lretain 55 improved dome, each pf which comprises a dome in functional'condition, we pro-,

adapted for abutting against opposite sides 2 and for seating in shoulders 11 on the side battens 4. lhe ends of the diaphragms are inclined to correspond with the inclined faces of the side members and fit closely and snugly thereagainst when the diaphragms are set. i

As the width of the floor arches vary, We adapt the dome for widths greater than 20 inches by providing inserts 13 that are adapted to fill in between the spaced edges of the top members 3 of the paired dome members, and which are of the same thick ness as said top in order to form a smooth upper surface thereacross and obviate unevenness in the tops of the. arches and in the thickness of the slabs. These inserts are adapted for support on the upper edges of the diaphragms l and are provided with hooks and eyelets adapted for communication with the hooks and eyelets on the top members 3 of the dome body, the hooks and eyelets alternating in their arrangement, in order to properly connect the top members of the paired bodies with each other either directly or through the intervening insert 13, each dome being preferably provided with three sets of the hooks and eyelets in order to form an efiective connection between the parts.

It is apparent, however, that if desired,- the hooks and eyelets may be omitted and.

temporary battens 16 nailed to the under faces of the top members 3 and the inserts 13 and removed when the dome is" to be taken down.

In order to give a clear understanding of the purposes and use of the dome we have shown the same with supporting sofiits and part of a floor slab, designating the supporting studs, 1.7 the temporary form beams and i8 soliit boards that are carried by the beams 17 and in turn support the dome and form. the bottoms of the form for the con- .or cross members 10 are set by placing the oulsame between the sides 2 within the s dors 11 oi": the battens 4 and pressing the same to place, so that the sides 2 are extended and held in position by abutment of the ends of the diaphragms against the inner faces of said side members. The domes are then set onthc soflit boards and bridge the spaces therebetween, the lower edges ofthe that not only is the space between adjacent sofiit boards covered by the arch of the domes, but there is space left between the side members 2 of adjacent domes Within which the floor beam 20 of'the slab 21 is formed when the concrete is poured, the domes being arranged on the sofiit boards in longitudinal alinement across the space to be floored so that continuous arches and floor beams may beformed.

With the domes arranged as described, the concrete is poured therebetween to form the floor beams and thereover to a desired depth to form the slab 21, the connection between the dome members being suiiiciently' close to avoid flow of concrete therebetween, and the diaphragms 10 at the ends of the last domes in a row preventing flow of the concrete into the domes. Should it be desired, however, to form an, arch of greater than QQinches in width an insert 13 is located between the spaced edges of the top members 3 of each dome and the top memhere 3 connected with each other and with the inserts by means of hooks 8 and eyes '9, or by means of temporary battens 16, longer diaphragms 10 being used with the wider domes in order to set. the domes for a greater Width.

When the inserts 13 are used, we prefer to break "the joints between the inserts and domes by extending the inserts from the ends of the domes, and as the width of the domes are the same throughout the width of the slab, projecting ends of the inserts may extend between the top members of abutting domes, with the result that the domes are keyed together to'retain the same in alinement, the ends of the inserts abutting to obviate openings therebetwecn through which, concrete may pass.

When the slab and floor beams have been formed about and over the domes, and the concrete is set sufliciently to permit the domes to be removed, the body portions of each dome are separated along the top by disconnecting the hooks 8 from their eyelets 9, or by removing the temporary battens and removing the diaphragms 10,'so

that there is no support for the hinged top The top members 3 are then pulled down-.

wardly on their hinges to separate the same from the bottom of the slab and the sides 2 wardly without marring the slab orinjuring the dimes, we round the inner edges-of the top members, as at 22, on a radius from the hinged joint, so that the said edges may turn freely in the corners of the arches.

By locating the hinges on the inner surfaces" of" the battens 4--5,,, as distinguished from connecting the same with side members 2 and top 3, we provide for holding the top and side members in parallel relation, and thereby obviate possible damage to the dome bodies or to the hinge, and also adapt the bodies to fold parallel with each other and thereby save space in storing or shipping.

ilziving thus described our invention what we claim as new therein and desire to secure by Letterslatent, is: i

1. A dome for concrete structures comprising separate, paired body members, each ineluding a side and top having hinge connection. means on said side for supporting a cross member, a cross member supported on said means, and an insert adapted for t location between the facing edges of the top members and support; on said cross members. 2. in a dome for concrete construction, a body formed in sections, each section c0mprising side and top members, means connecting the tops of opposite paired mem bers to form an integral structure thereof, and cross members adapted for support on the sides of said sections and spacing the same to retain the dome in functional position. 3. la a dome for concrete construction, a body formed in separate sections each comprising a top and side member, an insert removably located between the top members of the separate sections, and means connecting said sections to retain the parts in functional position.

4-. in a dome for-concrete construction, a body formed in separate sections each comprising a side and top member, a support on each side member, a batten on eachtop niembe' arranged to lie along the side on the said support when the parts are collapsed, an inwardly operating hinge connecting said batten with a relative side member, means for connecting the separate sections to retain the dome parts in functional position and cross members removably supported on said supports to retain the parts in spaced relation.

' The combination with a plurality of domes arranged in longitudinal alinement and each comprising paired body portions, means connecting said body portions to retain the dome in functional position and an insert located between the top members of adjacent domes to spread said top members and connect the domes in longitudinal alinement. t

(3, The combination of a plurality of domes, arranged in longitudinal alinen'ient and each comprising paired body portions, consisting of hingedly connected side and top members, cross members extending transversely between the side members of each dome and retaining thetop members in spaced relation, means for connecting the top members of each dome, and an insert located between the facing edges of each top member and projecting from its dome into a like space in an abutting dome, for the purposcsct forth.

T. The combination of a plurality of domes, each consisting of paired body members comprising hingedly connected side and top members, an insert located between the spaced edges of the top members of each dome and projecting from the end of one dome into a like space in an abutting dome,

means connecting the top members of said domes with the insert to retain the top members and insert in functional relation, and cross members supported on and extending between the side members and supporting the tops and inserts.

In testimony whereof we atiix our Sig-- natures.

EDWARD (J; MARQUA. HANS VON UNWERTH. JOHN 11. mm). 

